<header>
    <nav class="navbar navbar-default navbar-fixed-top">
      <div class="container"> <!-- -fluid -->
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
          <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
            <span class="sr-only">Toggle navigation</span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
          </button>
          <a class="navbar-brand" href="/"><img src="/assets/images/logo.png" alt="Mder"></a>
        </div>

        <!-- Collect the nav links, forms, and other content for toggling -->
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
          <ul class="nav navbar-nav">
          </ul>
          <p class="navbar-text">Welcome! this is a markdown site generate tool.</p>

          <ul class="nav navbar-nav navbar-right">
              <li><a href="/"><span class="glyphicon glyphicon-share-alt"></span> Home <span class="sr-only">(current)</span></a></li>
          </ul>
        </div><!-- /.navbar-collapse -->
      </div><!-- /.container-fluid -->
    </nav>
</header>